VIET, La Duc; KIEN, Nguyen Trong. Lower bound of performance index of anti-sway control of a pendulum using on-off damping radial spring-damper. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 41, n. 2, p. 193–201, 2019. DOI: 10.15625/0866-7136/13625. Disponível em: https://vjmech.vast.vn/vjmech/article/view/13625. Acesso em: 8 nov. 2025.